The term 'be on tenterhooks' is an idiom that means to be in a state of anxious anticipation. This phrase is often used to describe someone who is feeling nervous or uneasy about something that is about to happen. The crossword solutions for this term are SWEAT (5 letters), TENSE (5 letters), EDGY (4 letters), ANTSY (5 letters), and SWEATIT (7 letters). All of these words are related to the feeling of being anxious, nervous, or uneasy.